Disclosed are a system and a method for re-liquefying ammonia boil-off gas of a vessel. The system for re-liquefying ammonia boil-off gas of the vessel comprises: a compression unit that compresses boil-off gas in multiple stages, the compression unit including a first compressor that receives and compresses the boil-off gas generated from ammonia in a storage tank provided on the vessel, and a second compressor that further compresses the boil-off gas compressed in the first compressor; a condenser that cools the boil-off gas compressed through the compression unit; and a re-liquefied gas recovery line that transfers, to the storage tank, ammonia cooled and condensed in the condenser, wherein ammonia from the re-liquefied gas recovery line is branched and supplied to the compression unit so as to control the temperature of the boil-off gas in the compression unit.

    La présente invention concerne un système et un procédé de re-liquéfaction de gaz d'évaporation d'ammoniac d'un navire. Le système de re-liquéfaction de gaz d'évaporation d'ammoniac du navire comprend : une unité de compression qui comprime un gaz d'évaporation en de multiples étages, l'unité de compression comprenant un premier compresseur qui reçoit et comprime le gaz d'évaporation généré à partir d'ammoniac dans un réservoir de stockage disposé sur le navire, et un second compresseur qui comprime en outre le gaz d'évaporation comprimé dans le premier compresseur ; un condenseur qui refroidit le gaz d'évaporation comprimé via l'unité de compression ; et une conduite de récupération de gaz re-liquéfié qui transfère, au réservoir de stockage, de l'ammoniac refroidi et condensé dans le condenseur, l'ammoniac provenant de la conduite de récupération de gaz re-liquéfié étant ramifié et fourni à l'unité de compression de façon à réguler la température du gaz d'évaporation dans l'unité de compression.

    선박의 암모니아 증발가스 재액화 시스템 및 방법이 개시된다. 본 발명의 선박의 암모니아 증발가스 재액화 시스템은, 선박에 마련된 저장탱크의 암모니아로부터 발생하는 증발가스를 공급받아 압축하는 제1 압축기 및 상기 제1 압축기에서 압축된 증발가스를 추가 압축하는 제2 압축기를 포함하여 증발가스를 다단 압축하는 압축부; 상기 압축부를 거쳐 압축된 증발가스를 냉각하는 응축기; 및 상기 응축기에서 냉각되어 응축된 암모니아를 상기 저장탱크로 이송하는 재액가스회수라인:을 포함하고, 상기 재액가스회수라인의 암모니아를 분기하여 상기 압축부로 공급하여 상기 압축부의 증발가스 온도를 조절하는 것을 특징으로 한다.


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    Title :

    SYSTEM AND METHOD FOR RE-LIQUEFYING AMMONIA BOIL-OFF GAS OF VESSEL


    Additional title:

    SYSTÈME ET PROCÉDÉ DE RE-LIQUÉFACTION DE GAZ D'ÉVAPORATION D'AMMONIAC DE NAVIRE
    선박의 암모니아 증발가스 재액화 시스템 및 방법


    Contributors:

    Publication date :

    2024-08-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT , Verflüssigen, Verfestigen oder Trennen von Gasen oder Gasgemischen durch Druck- und Kältebehandlung



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